Finding the Fourth Proportional to 578,660.60, 867,163.76 and 325,409.49
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Solution
The fourth proportional to 578,660.60, 867,163.76 and 325,409.49 is: 487,649.09
Step by Step Solution
- Step 1: Write the proportion equation
578,660.60 : 867,163.76 = 325,409.49 : x - Step 2: Convert to fraction form
578,660.60/867,163.76 = 325,409.49/x - Step 3: Cross multiply
578,660.60x = 867,163.76 × 325,409.49 - Step 4: Simplify right side
578,660.60x = 282,183,316,888.08 - Step 5: Solve for x
x = 282,183,316,888.08/578,660.60 - Step 6: Final answer
x = 487,649.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.